package Atest;

/**
 * @Author wangzhipeng
 * @Date 2020-08-26 5:32 下午
 * @Description
 */
import java.util.Vector;
class MyVector extends Vector {
    int i = 1;
     public MyVector() {
        i = 2;
        }
   }
  public class MyNewVector extends MyVector {
   public MyNewVector () {
      i = 4;
  }
    public static void main (String args []) {
           MyVector v = new MyNewVector();
        }
  }
